We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleObservation Interventions as a Means to Manipulate Collective Efficacy in Groups.AuthorsBruton, Adam M.; Mellalieu, Stephen D.; Shearer, David A.PublicationJournal of Sport & Exercise Psychology, 2014, Vol 36, Issue 1, p27ISSN0895-2779Publication typearticleDOI10.1123/jsep.2013-0058